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網路伺服器應用 Linux Server

網路伺服器應用 Linux Server. Andres, Wen-Yuan Liao Department of Computer Science and Engineering De Lin Institute of Technology andres@dlit.edu.tw http://www.cse.dlit.edu.tw/~andres. Chapter 9 多 IP 與 Router 的架設. 9-1 多 IP 的架設. 網路界面卡 ( Network Interface Card, NIC ) 實體界面 eth0 - 網路卡代號

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網路伺服器應用 Linux Server

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  1. 網路伺服器應用Linux Server Andres, Wen-Yuan Liao Department of Computer Science and Engineering De Lin Institute of Technology andres@dlit.edu.tw http://www.cse.dlit.edu.tw/~andres

  2. Chapter 9多 IP 與 Router 的架設

  3. 9-1 多 IP的架設 • 網路界面卡( Network Interface Card, NIC ) • 實體界面 • eth0 - 網路卡代號 • 網路界面( Interface ) • 連線的虛擬界面 • Interface 必需要架構在 NIC 之上 • eth0:0 - 第一個虛擬界面代號 • eth0:1 - 第二個虛擬界面代號

  4. command line 手動設定 • ifconfig <device> <ip> netmask <nip> broadcast <bip> <action> • ifconfig eth0:0 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255 up • ifconfig eth0 • ifconfig eth0:0 • ping -c 3 192.168.1.2 • ping -c 3 192.168.0.2 • 每次開機你都得在手動的輸入一次 • 除非寫到 /etc/rc.d/rc.local

  5. 裝置設定檔設定ifcfg-eth0:0 DEVICE=eth0:0ONBOOT=noBOOTPROTO=staticIPADDR=192.168.0.2NETMASK=255.255.255.0 NETWORK=192.168.0.0BROADCAST=192.168.0.255 • ifup eth0:0

  6. 9-2 Router 的架設

  7. command line 手動設定

  8. 裝置設定檔設定 • 設定網路介面，其中 eth0 為 192.168.1.2, eth0:0 為 192.168.0.2 2. 觀察路由情況： route 3. 啟動 IP FORWARD 項目： echo 1 > /proc/sys/net/ipv4/ip_forward 4.1 設定 192.168.1.0 網域的 client • gateway:192.168.1.2 4.2 設定 192.168.0.0 網域的 client • gateway:192.168.0.2

  9. ifcfg-eth0, ifcfg-eth0:0 • DEVICE=eth0 ONBOOT=yes BOOTPROTO=static IPADDR=192.168.1.2 NETMASK=255.255.255.0 NETWORK=192.168.1.0 BROADCAST=192.168.1.255 GATEWAY=192.168.1.2 • DEVICE=eth0:0 ONBOOT=no BOOTPROTO=static IPADDR=192.168.0.2 NETMASK=255.255.255.0 NETWORK=192.168.0.0 BROADCAST=192.168.0.255 • ifup eth0 ; ifup eth0:0 ifconfig eth0; ifconfig eth0:0

  10. 測試 Router 工作 1. Client 端的測試(192.168.1.11 )： • ping 192.168.1.2 • ping 192.168.0.2 • ping 192.168.0.11 2. Server 端的修改 • echo 0 > /proc/sys/net/ipv4/ip_forward 3. Client 端的測試 (192.168.1.11) • ping 192.168.0.11 4. 恢復 Linux Router ： • echo 1 > /proc/sys/net/ipv4/ip_forward 5. 用另一部 Linux 主機看一下結果 ( IP 192.168.0.11 ) • ping -c 3 192.168.1.11

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